Submission #1530780

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Source Code Expand

#include <iostream>
#include <algorithm>
#include <cstdio>

using namespace std;

long long a[100005];

int main()
{
    int a,b,c,d;
    cin>>a>>b>>c>>d;
    if(c<b)
    {
         int n,m;
        a<c ? n=c:n=a;
        b>d ? m=d:m=b;
        if(m-n>0)
            cout<<m-n;
        else
            cout<<"0";
    }
    else
        cout<<"0";
    return 0;
}

Submission Info

Judge Result